Derivative Instruments (Details) - Not Designated as Hedging Instrument	6 Months Ended
	Jun. 30, 2017 MMBTU $ / MMBTU $ / bbl bbl
Crude Oil Swap - Oil Remainder of Current Year
Derivative [Line Items]
Volume (Bbl) | bbl	340,400
Weighted Average Fixed Price ($/Bbl or $/MMBtu) | $ / bbl	(50.41)
Crude Oil Swap - Oil Next Year
Derivative [Line Items]
Volume (Bbl) | bbl	36,500
Weighted Average Fixed Price ($/Bbl or $/MMBtu) | $ / bbl	(55.95)
Crude Oil Basis Swap - Oil Remainder of Current Year
Derivative [Line Items]
Volume (Bbl) | bbl	51,742
Weighted Average Fixed Price ($/Bbl or $/MMBtu) | $ / bbl	(0.20)
Natural Gas Swap - Remainder of Current Year
Derivative [Line Items]
Volume (MMBtu) | MMBTU	736,000
Weighted Average Fixed Price ($/Bbl or $/MMBtu) | $ / MMBTU	(2.94)